Make math fun with a cryptex! Multiplication tables 1-10. Align top number to bottom number and answer appears in the window. If printing in resin, theholes in top are to aid in drainage, other wise the holes may be filled.
Numbers can be filled with paint or other method of choice.
Highly suggested not to print supports on inner diameters unless absolutely neccesary.Extreme swelling of resin print may affect functionallity.